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Finding the Fourth Proportional to 91,251.66, 125,914.85 and 50,960.29

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Solution

The fourth proportional to 91,251.66, 125,914.85 and 50,960.29 is: 70,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,251.66 : 125,914.85 = 50,960.29 : x
  2. Step 2: Convert to fraction form
    91,251.66/125,914.85 = 50,960.29/x
  3. Step 3: Cross multiply
    91,251.66x = 125,914.85 × 50,960.29
  4. Step 4: Simplify right side
    91,251.66x = 6,416,657,271.31
  5. Step 5: Solve for x
    x = 6,416,657,271.31/91,251.66
  6. Step 6: Final answer
    x = 70,318.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.